Ключевые слова: abstract, acoustic, aid, amplify, appreciation, art, audio, audition, aural, background, company, concept, course, deaf, decibel, design, doctor, ear, element, graphic, graphics, handicap, head, health, hear, hearer, human, icon, illustration, image, isolated, listen, listen illustration, listening, logo, logotype, medical, meeting, modern, organs, radio, sense, sign, sound, symbol, template, volume, waves, white,